Finding the Third Proportional to 1,739 and 2,789
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Solution
The third proportional to 1,739 and 2,789 is: 4,472.99
Step by Step Solution
- Step 1: Write the proportion equation
1,739 : 2,789 = 2,789 : x - Step 2: Convert to fraction form
1,739/2,789 = 2,789/x - Step 3: Cross multiply
1,739x = 2,789 × 2,789 - Step 4: Simplify right side
1,739x = 7,778,521 - Step 5: Solve for x
x = 7,778,521/1,739 - Step 6: Final answer
x = 4,472.99
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Why These Related Problems?
These problems maintain the same ratio (1.60) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.